Investigating the relationship between language model perplexity and IR precision-recall measures.
Leif AzzopardiMark A. GirolamiKeith van RijsbergenPublished in: SIGIR (2003)
Keyphrases
- precision recall
- language model
- information retrieval
- retrieval model
- query expansion
- average precision
- ad hoc information retrieval
- retrieval effectiveness
- language modeling
- test collection
- precision and recall
- language model for information retrieval
- correlation coefficient
- document retrieval
- probabilistic model
- n gram
- speech recognition
- vector space model
- query terms
- evaluation measures
- language modeling framework
- information retrieval systems
- pseudo relevance feedback
- scoring function
- human relevance judgments
- relevance model
- relevant documents
- smoothing methods
- search engine
- translation model
- dirichlet prior
- image retrieval
- highly correlated
- term weighting
- term frequency
- relevance feedback
- tf idf
- co occurrence
- retrieval systems